Hi-Yield Aluminum Sulfate

$16.55 - $157.46

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{ $16.55 { $14.52 $157.46
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Hi-Yield Aluminum Sulfate bag (4 lbs)

Buy 1: $16.55 each

Buy 2 or more: $14.52 each

Hi-Yield Aluminum Sulfate - CASE (12 x 4 lb bags)Hi-Yield Aluminum Sulfate - CASE (12 x 4 lb bags) case (12 x 4 lb bags)

Save! Get 12 for only $13.12 each

Total Price: $0.00

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Hi-Yield Aluminum Sulfate

Hi-Yield Aluminum Sulfate is used as a soil acidifier to correct undesirable alkaline soil and to make Hydrangea blooms blue. Before using Hi-Yield Aluminum Sulfate test your soil pH and if the pH is above 7.0 then this product will be effective in bringing the pH down towards 5.5 which is desirable for plants that require more acidic soils. Plants such as Hydrangeas (blue), Azaleas, Camellias, Rhododendrons, Gardenias, and Holly thrive in more acidic soils.

With Hydrangeas remeber that Hi-Yield Aluminum Sulfate can turn white or pink blossoms to blue.

Do not use Phosphate fertilizers with this product as the phosphate will make the Aluminum less available to plants.

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01/14/2014 Brad from Wylie Tx

QCan I use Hi- Yield Aluminum Sulphate to tan animal hides?


Hi-Yield Aluminum Sulfate is  labeled to be used as a soil acidifier not animal hides. We recommend that you contact the manufacturer of the product for more information on the usages of their product. VPG can be reached at 888.583.5296.

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04/02/2017 Linda from Salem, Or

QCan I keep a purple hydrangea purple using Hi-Yield Aluminum Sulfate?
At end of blooming last year some blooms were turning pinkish. My nursery recommend HI-YIELD aluminum sulfate in dry form which I bought but the package doesn't give me enough info. My plant is in a 14"pot with the hydrangea growing about 2'. How much without harming the plant is appropriate. The nursery also advised watering it in with Acid Loving, water soluble plant food 31-11-11. Your response would be appreciated.


Per the product label for Hi-Yield Aluminum Sulfate: Use 1 lb. per 3 ft. of height. Mix 1 lb. in 5 gallons of water and apply at the drip line of the Shrub. HI-YIELD ALUMINUM SULFATE can also be spread dry around the drip line and watered in.  If you spread dry we would recommend you use 2/3 lb per 2 ft of height and then water in with sufficient water or you could use the mix of Ferti-Lome Acid Loving Water Soluble Plant Food 31-11-11 following the rates on its label.

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